Download Microsoft Azure Fundamentals.examcollection.AZ-900.2020-06-25.1e.168q.vcex

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Exam Microsoft Azure Fundamentals
Number AZ-900
File Name Microsoft Azure Fundamentals.examcollection.AZ-900.2020-06-25.1e.168q.vcex
Size 7.65 Mb
Posted June 25, 2020
Downloads 116
Download Microsoft Azure Fundamentals.examcollection.AZ-900.2020-06-25.1e.168q.vcex

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Demo Questions

Question 1

This question requires that you evaluate the underlined text to determine if it is correct.  
An organization that hosts its infrastructure in a private cloud can close its data center.  
Instructions: Review the underlined text. If it makes the statement correct, select “No change is needed”. If the statement is incorrect, select the answer choice that makes the statement correct.

  • A: No change is needed.
  • B: in a hybrid cloud
  • C: in the public cloud
  • D: on a Hyper-V host

Correct Answer: C

A private cloud is hosted in your datacenter.  Therefore, you cannot close your datacenter if you are using a private cloud. 
A public cloud is hosted externally, for example, in Microsoft Azure.  An organization that hosts its infrastructure in a public cloud can close its data center. 
Public cloud is the most common deployment model. In this case, you have no local hardware to manage or keep up-to-date – everything runs on your cloud provider's hardware.  
Microsoft Azure is an example of a public cloud provider. 
In a private cloud, you create a cloud environment in your own datacenter and provide self-service access to compute resources to users in your organization. This offers a simulation of a public cloud to your users, but you remain completely responsible for the purchase and maintenance of the hardware and software services you provide. 
References:
https://docs.microsoft.com/en-gb/learn/modules/principles-cloud-computing/4-cloud-deployment-models




Question 2

What are two characteristics of the public cloud? Each correct answer presents a complete solution. 
NOTE: Each correct selection is worth one point.

  • A: dedicated hardware
  • B: unsecured connections
  • C: limited storage
  • D: metered pricing
  • E: self-service management

Correct Answer: DE

With the public cloud, you get pay-as-you-go pricing – you pay only for what you use, no CapEx costs. 
With the public cloud, you have self-service management.  You are responsible for the deployment and configuration of the cloud resources such as virtual machines or web sites.  The underlying hardware that hosts the cloud resources is managed by the cloud provider. 
Incorrect Answers:
A: You don’t have dedicated hardware.  The underlying hardware is shared so you could have multiple customers using cloud resources hosted on the same physical hardware. 
B: Connections to the public cloud are secure.
C: Storage is not limited.  You can have as much storage as you like.
References:
https://docs.microsoft.com/en-gb/learn/modules/principles-cloud-computing/4-cloud-deployment-models




Question 3

To complete the sentence, select the appropriate option in the answer area.  

Correct Answer: Exam simulator is required

When planning to migrate a public website to Azure, you must plan to pay monthly usage costs. This is because Azure uses the pay-as-you-go model.




Question 4

Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.  
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.  
Your company plans to migrate all its data and resources to Azure.  
The company’s migration plan states that only Platform as a Service (PaaS) solutions must be used in Azure.  
You need to deploy an Azure environment that meets the company migration plan.   
Solution: You create an Azure App Service and Azure SQL databases. 
Does this meet the goal?

  • A: Yes
  • B: No 

Correct Answer: A

Azure App Service and Azure SQL databases are examples of Azure PaaS solutions. Therefore, this solution does meet the goal.




Question 5

Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.  
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.  
Your company plans to migrate all its data and resources to Azure.  
The company’s migration plan states that only Platform as a Service (PaaS) solutions must be used in Azure.  
You need to deploy an Azure environment that meets the company migration plan.  
Solution: You create an Azure App Service and Azure virtual machines that have Microsoft SQL Server installed. 
Does this meet the goal?

  • A: Yes
  • B: No

Correct Answer: B

Azure App Service is a PaaS (Platform as a Service) service.  However, Azure virtual machines are an IaaS (Infrastructure as a Service) service.  Therefore, this solution does not meet the goal.




Question 6

Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.  
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.  
Your company plans to migrate all its data and resources to Azure.  
The company’s migration plan states that only Platform as a Service (PaaS) solutions must be used in Azure.  
You need to deploy an Azure environment that meets the company migration plan.  
Solution: You create an Azure App Service and Azure Storage accounts. 
Does this meet the goal? 

  • A: Yes
  • B: No

Correct Answer: B

Azure App Service is a PaaS (Platform as a Service) service.  However, Azure Storage accounts are an IaaS (Infrastructure as a Service) service.  Therefore, this solution does not meet the goal.




Question 7

Your company hosts an accounting application named App1 that is used by all the customers of the company.  
App1 has low usage during the first three weeks of each month and very high usage during the last week of each month.  
Which benefit of Azure Cloud Services supports cost management for this type of usage pattern?

  • A: high availability
  • B: high latency
  • C: elasticity
  • D: load balancing

Correct Answer: C

Elasticity in this case is the ability to provide additional compute resource when needed and reduce the compute resource when not needed to reduce costs.  Autoscaling is an example of elasticity. 
Elastic computing is the ability to quickly expand or decrease computer processing, memory and storage resources to meet changing demands without worrying about capacity planning and engineering for peak usage. Typically controlled by system monitoring tools, elastic computing matches the amount of resources allocated to the amount of resources actually needed without disrupting operations. With cloud elasticity, a company avoids paying for unused capacity or idle resources and doesn’t have to worry about investing in the purchase or maintenance of additional resources and equipment. 
References:
https://azure.microsoft.com/en-gb/overview/what-is-elastic-computing/




Question 8

You plan to migrate a web application to Azure. The web application is accessed by external users.  
You need to recommend a cloud deployment solution to minimize the amount of administrative effort used to manage the web application.  
What should you include in the recommendation?

  • A: Software as a Service (SaaS)
  • B: Platform as a Service (PaaS)
  • C: Infrastructure as a Service (IaaS)
  • D: Database as a Service (DaaS) 

Correct Answer: B

Azure App Service is a platform-as-a-service (PaaS) offering that lets you create web and mobile apps for any platform or device and connect to data anywhere, in the cloud or on-premises. App Service includes the web and mobile capabilities that were previously delivered separately as Azure Websites and Azure Mobile Services. 
References:
https://docs.microsoft.com/en-us/azure/security/fundamentals/paas-applications-using-app-services




Question 9

Which cloud deployment solution is used for Azure virtual machines and Azure SQL databases? To answer, select the appropriate options in the answer area.  
NOTE: Each correct selection is worth one point.  

Correct Answer: Exam simulator is required

Box 1:
Azure virtual machines are Infrastructure as a Service (IaaS). 
Infrastructure as a Service is the most flexible category of cloud services. It aims to give you complete control over the hardware that runs your application (IT infrastructure servers and virtual machines (VMs), storage, networks, and operating systems). Instead of buying hardware, with IaaS, you rent it. 
Box 2:
Azure SQL databases are Platform as a Service (Paas). 
Azure SQL Database is a fully managed Platform as a Service (PaaS) Database Engine that handles most of the database management functions such as upgrading, patching, backups, and monitoring without user involvement. Azure SQL Database is always running on the latest stable version of SQL Server Database Engine and patched OS with 99.99% availability. PaaS capabilities that are built-in into Azure SQL database enable you to focus on the domain specific database administration and optimization activities that are critical for your business. 
References:
https://docs.microsoft.com/en-gb/learn/modules/principles-cloud-computing/5-types-of-cloud-services
https://docs.microsoft.com/en-us/azure/sql-database/sql-database-paas-index




Question 10

You have an on-premises network that contains 100 servers.  
You need to recommend a solution that provides additional resources to your users. The solution must minimize capital and operational expenditure costs.  
What should you include in the recommendation?

  • A: a complete migration to the public cloud
  • B: an additional data center
  • C: a private cloud
  • D: a hybrid cloud

Correct Answer: D

A hybrid cloud is a combination of a private cloud and a public cloud. 
Capital expenditure is the spending of money up-front for infrastructure such as new servers. 
With a hybrid cloud, you can continue to use the on-premises servers while adding new servers in the public cloud (Azure for example).  Adding new servers in Azure minimizes the capital expenditure costs as you are not paying for new servers as you would if you deployed new server on-premises. 
Incorrect Answers:
A: A complete migration of 100 servers to the public cloud would involve a lot of operational expenditure (the cost of migrating all the servers). 
B: An additional data center would involve a lot of capital expenditure (the cost of the new infrastructure).
C: A private cloud is hosted on on-premises servers to this would involve a lot of capital expenditure (the cost of the new infrastructure to host the private cloud). 
References:
https://docs.microsoft.com/en-gb/learn/modules/principles-cloud-computing/4-cloud-deployment-models










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